Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.

The calculator on your Apple devices can do more than add, subtract, multiply and divide. Here's how it can help you with all ...

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.

A new method for quantifying grandeur is reshuffling the pecking order of the planet’s most impressive peaks. Turns out ...

Calculate dividends by subtracting year-end retained earnings from start-year retained earnings, then net income. Dividend payout ratio (DPR) is found by dividing total dividends by net income to ...

The Rule of 72 is a simple calculation tool for investors to use, but it's not necessarily the most accurate. Here are some ...

For Mr. Santos, math can also inspire ideas about structures that have already been built — a new way to see and appreciate the world. Inspired by this idea, The New York Times created a virtual tour ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Suzanne is a content marketer, writer, and fact-checker. She holds a Bachelor ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee ...

Penny Gusner is a senior insurance writer and analyst at Forbes Advisor. For more than 20 years, she has been helping consumers learn how insurance laws, data, trends, and coverages affect them. Penny ...